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1 <br /> Certificate of Analysis <br /> Geocon Consultants,Inc. Project Number: LINDEN UST,59800-01-04 <br /> 3160 Gold Valley Drive,Suite 800 ReportTo: John Juhrend <br /> Rancho Cordova,CA 95742 Reported: 11/26/2013 <br /> Volatile Organic Compounds by EPA 8260B-Quality Control(cont'd) <br /> Result PQL Spike Source %Rec RPD <br /> Analyte (ug/kg) (ug/kg) Level Result %Rec Limits RPD Limit Notes <br /> Batch B3K0437-MSVOAS(continued) <br /> Duplicate(B3K0437-DUPI)-Continued Source:1303667-01 Prepared:11/22/2013 Analyzed: 11/22/2013 <br /> Trichloroethene ND 5.0 ND NR 20 <br /> Surrogate:1,1-Dichloroelhane-d4 59.36 50.0000 119 70-130 <br /> Surrogate:4-8mmoJluorobemene 50.69 50.0000 101 70-130 <br /> Surrogate:DibromoJluomm thane 52.66 50.0000 105 70-130 <br /> Sumogate:Toluene-d8 51.21 50.0000 101 70-130 <br /> Matrix Spike(B3K0437-MS1) Source:1303616-05 Prepared: 1122/2013 Analyzed: 11/22/2013 <br /> 1,1-Dichloroethene 52.4200 5.0 50.0000 ND 105 70-130 <br /> Benzene 46.8400 5.0 50.0000 ND 93.7 70-130 <br /> Chlorobenzene 46.5800 5.0 50.0000 ND 93.2 70-130 <br /> MTBE 49.3100 5.0 50.0000 ND 98.6 70-130 <br /> Toluene 47.0400 5.0 50.0000 ND 94.1 70-130 <br /> Trichloroethene 47.2200 5.0 50.0000 ND 94.4 70-130 <br /> Surrogate:1,1-Dichloroethane-d4 56.16 50.0000 113 70-130 <br /> Surrogate:4-Bm.o luorobensene 51.05 50.0000 102 70-130 <br /> Surrogate:Dibmm fluoromethane 51.68 50.0000 103 70-130 J <br /> Surrogate:Tolum"8 50.67 50.0000 101 70-130 <br /> Matrix Spike Dup(B3K0437-MSDI) Source:1303616-05 Prepared:11/22/2013 Analyzed: 11/222013 <br /> 1,1-Dichlormthene 51.4500 5.0 50.0000 ND 103 70-130 1.87 20 <br /> Benzene 46.2300 5.0 50.0000 ND 92.5 70-130 1.31 20 <br /> Chlorobenzene 46.0400 5.0 50.0000 ND 92.1 70-130 1.17 20 <br /> MTBE 48.1900 5.0 50.0000 ND 96.4 70-130 2.30 20 <br /> Toluene 46.4500 5.0 50.0000 ND 92.9 70-130 1.26 20 <br /> Trichloroethene 47.4600 5.0 50.0000 ND 94.9 70-130 0.507 20 <br /> Surrogate:1,1-Dichloroethane-d4 56.03 50.0000 112 70-130 <br /> Surrogate:4-Bromo/luorobenzme 49.71 50.0000 99.4 70-130 <br /> Sumogate:Dibrom.luoromethone 51.06 50.0000 104 70-130 <br /> Surrogate:Toluene-d8 50.19 50.0000 101 70-130 <br /> 3275 Walnut Avenue,Signal Hill,CA 90755 6 Tel:562-989-4045 0 Fax:562-989-4040 a lvwtv.atlglobalco4n Page 24 of 30 <br />